package com.ll.dal.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.ll.dal.po.CoursePO;
import org.apache.ibatis.annotations.Param;

public interface CourseMapper extends BaseMapper<CoursePO> {
    void apply(@Param("id") Long id);
    void cancelApply(@Param("id") Long id);
}
